17938851860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{205297}}^1$

素因数の和:205580

約数の個数: 48

約数和(自身を含む): 40042964304

約数和(自身を除く): 22104112444

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 257, 340, 514, 1028, 1285, 2570, 4369, 5140, 8738, 17476, 21845, 43690, 87380, 205297, 410594, 821188, 1026485, 2052970, 3490049, 4105940, 6980098, 13960196, 17450245, 34900490, 52761329, 69800980, 105522658, 211045316, 263806645, 527613290, 896942593, 1055226580, 1793885186, 3587770372, 4484712965, 8969425930, 17938851860]

約数ペア:

[(1, 17938851860), (2, 8969425930), (4, 4484712965), (5, 3587770372), (10, 1793885186), (17, 1055226580), (20, 896942593), (34, 527613290), (68, 263806645), (85, 211045316), (170, 105522658), (257, 69800980), (340, 52761329), (514, 34900490), (1028, 17450245), (1285, 13960196), (2570, 6980098), (4369, 4105940), (5140, 3490049), (8738, 2052970), (17476, 1026485), (21845, 821188), (43690, 410594), (87380, 205297)]